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Laurentia

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A stunning view of Earth from space, captured by astronauts during the Apollo 17 mission.

Laurentia

Laurentia is a very old piece of Earth's crust. It is the heart of North America today. Imagine a big puzzle piece that has been around for billions of years!

Sometimes, Laurentia was all by itself, like a small land. Other times, it joined with other lands to make huge continents. Over millions of years, many smaller pieces of land moved toward Laurentia and became part of it. This is why the land we see today is so big and strong.

The name Laurentia comes from the Laurentian Mountains. These mountains were named after the St. Lawrence River. The river was named to honor Saint Lawrence of Rome.

In Canada, you can find very old rocks that are part of Laurentia. These rocks are some of the oldest on Earth! In the United States, these old rocks are hidden under younger layers, but you can still see them in places like Minnesota, Wisconsin, and Michigan.

Laurentia has changed a lot over time, but it has always stayed strong. It is the ancient core of the land we call North America today.

Images

A map showing how the continents were positioned 430 million years ago during the time of the supercontinent Pangaea.
A map showing how the continents were positioned around 310 million years ago during the late Carboniferous period.
Map showing the ancient rock formations and cratons of North America.

Related articles

This article is a child-friendly adaptation of the Wikipedia article on Laurentia, available under CC BY-SA 4.0.

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